Gedore TX 19 E10 6145720 TX Bits 9.42 mm M8 1/2 (12.5 mm)

Square drive as per DIN 3120 - C 12.5, ISO 1174, with ball retaining groove · Hand-operated, knurled grip · GEDORE vanadium steel 31CrV3, polished, chrome-plated

Price: 15.99 from Conrad Electronic